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The Nanocomposites-Based Sensors

A special issue of Sensors (ISSN 1424-8220). This special issue belongs to the section "Nanosensors".

Deadline for manuscript submissions: closed (10 November 2021) | Viewed by 3502

Special Issue Editors


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Guest Editor
Integrated Nanosystems Development Institute (INDI), Purdue School of Engineering and Technology, IUPUI, Indianapolis, IN 46202, USA
Interests: 3D and 4D printing; advanced materials; nanocomposites; multifunctional composites

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Guest Editor
Integrated Nanosystems Development Institute (INDI), Purdue School of Engineering and Technology, IUPUI, Indianapolis, IN 46202, USA
Interests: nanotechnology; sensors; flexible batteries and electronic systems; Internet of Things; STEM Research and Education
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The evolution of sensor engineering has resulted in spectacular developments over the years in many existing and emerging applications, including robotic technologies, human–machine interfacing, bioelectronic devices, and electronics skins. Owing to their unique and fascinating properties, nanocomposite-based sensors (NCSs) have been extensively studied in recent years. NCSs can be synthesized with several different approaches, thus allowing the realization of various novel chemical and biological sensors. Nanocomposites used in the fabrication of NCSs have been synthesized in various combinations, such as conductive polymers with graphene (Grp), carbon nanotubes (CNTs), and metal nanoparticles. This Special Issue will cover recent applications based on NCSs for the fabrication of electrochemical sensors, biosensors, immunosensors, aptamer sensors, flexible sensors, strain sensors, electrochemical sensors, optical sensors, gas sensors, pressure sensors, glucose sensors, pH sensors, humidity sensors, ultrasonic sensors, and amperometric sensors.

We look forward to receiving your contribution to this Special Issue.

Prof. Dr. Hamid Dalir
Prof. Dr. Mangilal Agarwal
Guest Editors

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Keywords

  • flexible sensors
  • biosensors
  • strain sensors
  • electrochemical sensors
  • optical sensors
  • gas sensors
  • pressure sensors
  • glucose sensors
  • pH sensors
  • humidity sensors
  • ultrasonic sensors
  • amperometric sensors

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Published Papers (1 paper)

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Research

13 pages, 2048 KiB  
Article
Carbon/Silicone Nanocomposite-Enabled Soft Pressure Sensors with a Liquid-Filled Cell Structure Design for Low Pressure Measurement
by Fei Wang and Xiaoming Tao
Sensors 2021, 21(14), 4732; https://doi.org/10.3390/s21144732 - 10 Jul 2021
Cited by 3 | Viewed by 2662
Abstract
In the fields of humanoid robots, soft robotics, and wearable electronics, the development of artificial skins entails pressure sensors that are low in modulus, high in sensitivity, and minimal in hysteresis. However, few sensors in the literature can meet all the three requirements, [...] Read more.
In the fields of humanoid robots, soft robotics, and wearable electronics, the development of artificial skins entails pressure sensors that are low in modulus, high in sensitivity, and minimal in hysteresis. However, few sensors in the literature can meet all the three requirements, especially in the low pressure range (<10 kPa). This article presents a design for such pressure sensors. The bioinspired liquid-filled cell-type structural design endows the sensor with appropriate softness (Young’s modulus < 230 kPa) and high sensitivity (highest at 0.7 kPa−1) to compression forces below 0.65 N (6.8 kPa). The low-end detection limit is ~0.0012 N (13 Pa), only triple the mass of a bee. Minimal resistance hysteresis of the pressure sensor is 7.7%. The low hysteresis is attributed to the study on the carbon/silicone nanocomposite, which reveals the effect of heat treatment on its mechanical and electromechanical hysteresis. Pressure measurement range and sensitivity of the sensor can be tuned by changing the structure and strain gauge parameters. This concept of sensor design, when combined with microfluidics technology, is expected to enable soft, stretchable, and highly precise touch-sensitive artificial skins. Full article
(This article belongs to the Special Issue The Nanocomposites-Based Sensors)
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